mybatis-plus/spring-boot-starter/mybatis-plus-boot-starter/src/test/resources/mapper/modulea/testa.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.baomidou.mybatisplus.test.mapper.TestMapper">

</mapper>